Productivity and Biodiesel Quality of Fatty Acids Contents from Scenedesmus obliquus in Domestic Wastewater Using Phototrophic and Mixotrophic Cultivation Systems

Fig. (2) Nitrogen removed in Artificial Wastewater (AW) and urban wastewater (AW). The values of 30, 20 and 10 mg N-NH₄ L^-1 indicate the levels of nitrogen reduction in the culture medium.